header{
	colore: yellow;
	font-size: 20px;
	text-align: center;
	
	
}


body{
	color:yellow;
	background:green;
	font-size:18px;
}
h1{
	color:red;
	text-align: center;
	font-size: 45px;
	font-family: Arial;
}
h3{
	color:black;
	text-decoration:underline;
}

nav{
	
	text-align:center;
}
div{
	display:table;
}

div{
	display:table;
}

section{
	display:table-cell;
	padding:40px;
}

a:hover
{
	color:yellow;
	
}
a:visited
{
	color:red;
}
a 
{
	text-decortation:none;
	font-weight:bold;
}